That statement is true.
Object permanence is a very important step in a child development. It requires the capability to create a mental representation about that specific object.
This very development make the children understand that their parents do not actually disappear when they're playing a peek-a-boo
        
                    
             
        
        
        
Answer:
I believe it would be C. to show how quickly cities grew after 1860 due to immigration, migration, and industrialization
Hope I helped :)
 
        
             
        
        
        
On average, this effect started to appear if someone's BAC level has reach 0.15 %.
On average, 2 standard drinks could cause an increase in 0.05 % of BAC (depending on each person's body mechanism)
So, it took about 5 drinks for Jane to get into that level of effect.